mcs/btests/OptionalArgFunction1.vb

   1 '=============================================================================================
   2 'Name:Manish Kumar Sinha
   3 'Email Address: manishkumarsinha@sify.com
   4 'Test Case Name: Argument passing by Optional Keyword:
   5 'O.P-1.0.0: An Optional parameter must specify a constant expression to be used a replacement
   6 '               value if no argument is specified.When we omit one or more optional arguments in
   7 '                the argument list, you use successive commas to mark their positions.
   8 '               If we don't mark commas then it produce run time error
   9 '=============================================================================================
  10
  11 Imports System
  12 Module OP1_0_0
  13         Function F(ByVal telephoneNo as Long, Optional ByVal code as Integer = 080,Optional ByVal code1  As Integer = 091, Optional ByRef name As String="Sinha") As Boolean
  14                 if (code = 080 and code1 = 091 and name="Manish")
  15                         return true
  16                 else
  17                         return false
  18                 end if
  19
  20         End Function
  21
  22    Sub Main()
  23       Dim telephoneNo As Long = 9886066432
  24         Dim name As String ="Manish"
  25         Dim status As Boolean
  26       status =F(telephoneNo,name)
  27         if (status = false)
  28                 Throw New System.Exception("#A1, Unexcepted behaviour in string of OP1_0_0")
  29         end if
  30    End Sub
  31
  32 End Module